/* ============================================================
   Apple Liquid Glass Clientarea Theme v4 - Complete Redesign
   IDC 会员中心 · 液态玻璃 · 极简风格 · 大改动
   ============================================================ */

/* ===== Design Tokens ===== */
:root {
  --glass-bg: rgba(255,255,255,0.72);
  --glass-bg-dark: rgba(30,30,30,0.65);
  --glass-border: rgba(255,255,255,0.35);
  --glass-border-dark: rgba(255,255,255,0.08);
  --blur-lg: saturate(180%) blur(20px);
  --blur-md: saturate(150%) blur(12px);
  --blur-sm: saturate(120%) blur(8px);
  --blue: #007AFF;
  --blue-light: #5AC8FA;
  --green: #34C759;
  --orange: #FF9500;
  --red: #FF3B30;
  --purple: #AF52DE;
  --pink: #FF2D55;
  --yellow: #FFCC00;
  --text-primary: #1d1d1f;
  --text-secondary: #86868b;
  --text-tertiary: #a1a1a6;
  --bg: #f5f5f7;
  --bg-dark: #000000;
  --card-bg: rgba(255,255,255,0.6);
  --radius-sm: 10px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-xl: 32px;
  --shadow-sm: 0 2px 8px rgba(0,0,0,0.04);
  --shadow-md: 0 8px 32px rgba(0,0,0,0.08);
  --shadow-lg: 0 20px 60px rgba(0,0,0,0.12);
  --transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ===== Body & Layout ===== */
body {
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", "PingFang SC", "Noto Sans SC", sans-serif;
  background: var(--bg);
  color: var(--text-primary);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

/* 动态背景渐变 */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background:
    radial-gradient(ellipse 900px 700px at 85% 15%, rgba(0,122,255,0.07) 0%, transparent 60%),
    radial-gradient(ellipse 700px 600px at 15% 85%, rgba(90,200,250,0.05) 0%, transparent 60%),
    radial-gradient(ellipse 500px 400px at 50% 50%, rgba(175,82,222,0.03) 0%, transparent 60%);
  pointer-events: none;
  z-index: 0;
}

/* ===== Top Navigation (Glass) ===== */
#page-topbar {
  background: var(--glass-bg) !important;
  backdrop-filter: var(--blur-lg) !important;
  -webkit-backdrop-filter: var(--blur-lg) !important;
  border-bottom: 1px solid var(--glass-border) !important;
  box-shadow: var(--shadow-sm) !important;
  position: sticky;
  top: 0;
  z-index: 1000;
}

.navbar-header {
  background: transparent !important;
  padding: 12px 32px !important;
  height: 64px !important;
}

.navbar-brand-box {
  background: transparent !important;
  padding: 0 !important;
}

.navbar-brand-box a {
  color: var(--text-primary) !important;
  font-size: 22px !important;
  font-weight: 700 !important;
  text-decoration: none !important;
  display: flex !important;
  align-items: center !important;
  gap: 10px !important;
}

.navbar-brand-box img {
  height: 32px !important;
  width: auto !important;
}

#vertical-menu-btn {
  background: rgba(255,255,255,0.5) !important;
  border: 1px solid var(--glass-border) !important;
  border-radius: 12px !important;
  color: var(--text-primary) !important;
  backdrop-filter: var(--blur-sm) !important;
  width: 40px !important;
  height: 40px !important;
  display: flex !important;
  align-items: center !important;
  justify-content: center !important;
  transition: var(--transition) !important;
}

#vertical-menu-btn:hover {
  background: rgba(255,255,255,0.8) !important;
  transform: scale(1.05) !important;
}

/* User dropdown */
#page-header-user-dropdown {
  background: rgba(255,255,255,0.5) !important;
  border: 1px solid var(--glass-border) !important;
  border-radius: 980px !important;
  padding: 6px 16px 6px 6px !important;
  display: flex !important;
  align-items: center !important;
  gap: 8px !important;
  transition: var(--transition) !important;
}

#page-header-user-dropdown:hover {
  background: rgba(255,255,255,0.8) !important;
}

.header-profile-user {
  width: 32px !important;
  height: 32px !important;
  border-radius: 50% !important;
  border: 2px solid var(--glass-border) !important;
}

/* Language dropdown */
.dropdown-menu {
  background: var(--glass-bg) !important;
  backdrop-filter: var(--blur-lg) !important;
  -webkit-backdrop-filter: var(--blur-lg) !important;
  border: 1px solid var(--glass-border) !important;
  border-radius: var(--radius-md) !important;
  box-shadow: var(--shadow-lg) !important;
  padding: 8px !important;
  min-width: 180px !important;
}

.dropdown-item {
  border-radius: var(--radius-sm) !important;
  padding: 10px 16px !important;
  font-weight: 500 !important;
  font-size: 14px !important;
  transition: var(--transition) !important;
  color: var(--text-primary) !important;
}

.dropdown-item:hover {
  background: rgba(0,122,255,0.08) !important;
  color: var(--blue) !important;
}

.dropdown-divider {
  border-color: var(--glass-border) !important;
  margin: 8px !important;
}

/* ===== Sidebar (Liquid Glass) ===== */
.vertical-menu {
  background: var(--glass-bg) !important;
  backdrop-filter: var(--blur-lg) !important;
  -webkit-backdrop-filter: var(--blur-lg) !important;
  border-right: 1px solid var(--glass-border) !important;
  box-shadow: 4px 0 24px rgba(0,0,0,0.04) !important;
  width: 260px !important;
  transition: var(--transition) !important;
}

.vertical-menu .navbar-brand-box {
  background: transparent !important;
  border-bottom: 1px solid var(--glass-border) !important;
  padding: 20px 24px !important;
  height: auto !important;
}

#sidebar-menu {
  padding: 16px 12px !important;
}

#sidebar-menu ul li a {
  color: var(--text-secondary) !important;
  font-weight: 500 !important;
  padding: 12px 16px !important;
  margin: 4px 0 !important;
  border-radius: var(--radius-sm) !important;
  transition: var(--transition) !important;
  font-size: 14px !important;
  display: flex !important;
  align-items: center !important;
  gap: 12px !important;
}

#sidebar-menu ul li a:hover,
#sidebar-menu ul li a.mm-active {
  background: rgba(0,122,255,0.08) !important;
  color: var(--blue) !important;
  box-shadow: 0 0 0 1px rgba(0,122,255,0.15) !important;
}

#sidebar-menu ul li a i,
#sidebar-menu ul li a .uim-svg {
  color: inherit !important;
  font-size: 20px !important;
  width: 20px !important;
  text-align: center !important;
}

#sidebar-menu .badge {
  background: var(--blue) !important;
  color: white !important;
  border-radius: 100px !important;
  padding: 2px 10px !important;
  font-size: 11px !important;
  font-weight: 600 !important;
  margin-left: auto !important;
}

/* Sidebar submenu */
#sidebar-menu ul li ul.sub-menu {
  padding-left: 12px !important;
}

#sidebar-menu ul li ul.sub-menu li a {
  padding: 8px 16px !important;
  font-size: 13px !important;
}

/* ===== Main Content ===== */
.main-content {
  background: transparent !important;
  position: relative;
  z-index: 1;
  margin-left: 260px !important;
  transition: var(--transition) !important;
}

.page-content {
  padding: 32px !important;
}

/* ===== Cards (Glass) ===== */
.card {
  background: var(--card-bg) !important;
  backdrop-filter: var(--blur-md) !important;
  -webkit-backdrop-filter: var(--blur-md) !important;
  border: 1px solid var(--glass-border) !important;
  border-radius: var(--radius-lg) !important;
  box-shadow: var(--shadow-sm) !important;
  transition: var(--transition) !important;
  overflow: hidden !important;
}

.card:hover {
  box-shadow: var(--shadow-md) !important;
  transform: translateY(-2px) !important;
}

.card-body {
  padding: 28px !important;
}

.card-title {
  font-size: 20px !important;
  font-weight: 700 !important;
  color: var(--text-primary) !important;
  margin-bottom: 20px !important;
}

.card-header {
  background: transparent !important;
  border-bottom: 1px solid var(--glass-border) !important;
  padding: 20px 28px !important;
}

.card-footer {
  background: transparent !important;
  border-top: 1px solid var(--glass-border) !important;
  padding: 16px 28px !important;
}

/* ===== Dashboard Stats ===== */
.user-center_h300,
.user-center_header {
  background: linear-gradient(135deg, rgba(0,122,255,0.1), rgba(90,200,250,0.05)) !important;
  border: 1px solid var(--glass-border) !important;
  border-radius: var(--radius-lg) !important;
}

.user-center_header {
  background: linear-gradient(135deg, var(--blue), var(--blue-light)) !important;
  color: white !important;
  font-weight: 700 !important;
  box-shadow: 0 4px 16px rgba(0,122,255,0.3) !important;
  width: 64px !important;
  height: 64px !important;
  border-radius: 50% !important;
  display: flex !important;
  align-items: center !important;
  justify-content: center !important;
  font-size: 24px !important;
}

/* Stats numbers */
.text-primary { color: var(--blue) !important; }
.text-success { color: var(--green) !important; }
.text-warning { color: var(--orange) !important; }
.text-danger { color: var(--red) !important; }
.text-info { color: var(--blue-light) !important; }

/* ===== Buttons (Apple Style) ===== */
.btn {
  border-radius: 980px !important;
  font-weight: 600 !important;
  padding: 10px 24px !important;
  transition: var(--transition) !important;
  border: none !important;
  font-size: 14px !important;
}

.btn-sm {
  padding: 6px 16px !important;
  font-size: 13px !important;
}

.btn-lg {
  padding: 14px 32px !important;
  font-size: 16px !important;
}

.btn-primary {
  background: var(--blue) !important;
  box-shadow: 0 2px 12px rgba(0,122,255,0.3) !important;
}

.btn-primary:hover {
  background: #0056CC !important;
  box-shadow: 0 4px 20px rgba(0,122,255,0.4) !important;
  transform: translateY(-1px) !important;
}

.btn-success {
  background: var(--green) !important;
  box-shadow: 0 2px 12px rgba(52,199,89,0.3) !important;
}

.btn-success:hover {
  background: #2DAF4A !important;
  box-shadow: 0 4px 20px rgba(52,199,89,0.4) !important;
  transform: translateY(-1px) !important;
}

.btn-danger {
  background: var(--red) !important;
  box-shadow: 0 2px 12px rgba(255,59,48,0.3) !important;
}

.btn-warning {
  background: var(--orange) !important;
  box-shadow: 0 2px 12px rgba(255,149,0,0.3) !important;
}

.btn-outline-primary {
  background: transparent !important;
  border: 1.5px solid var(--blue) !important;
  color: var(--blue) !important;
}

.btn-outline-primary:hover {
  background: var(--blue) !important;
  color: white !important;
}

.btn-outline-secondary {
  background: transparent !important;
  border: 1.5px solid var(--text-tertiary) !important;
  color: var(--text-secondary) !important;
}

.btn-outline-secondary:hover {
  background: var(--text-secondary) !important;
  color: white !important;
}

/* ===== Tables ===== */
.table {
  border-collapse: separate !important;
  border-spacing: 0 8px !important;
}

.table thead th {
  background: transparent !important;
  border: none !important;
  color: var(--text-secondary) !important;
  font-weight: 600 !important;
  font-size: 12px !important;
  text-transform: uppercase !important;
  letter-spacing: 0.8px !important;
  padding: 12px 16px !important;
}

.table tbody tr {
  background: var(--card-bg) !important;
  backdrop-filter: var(--blur-sm) !important;
  border-radius: var(--radius-md) !important;
  box-shadow: var(--shadow-sm) !important;
  transition: var(--transition) !important;
}

.table tbody tr:hover {
  box-shadow: var(--shadow-md) !important;
  transform: scale(1.005) !important;
}

.table tbody td {
  border: none !important;
  padding: 16px !important;
  vertical-align: middle !important;
  font-size: 14px !important;
}

.table tbody td:first-child {
  border-radius: var(--radius-md) 0 0 var(--radius-md) !important;
}

.table tbody td:last-child {
  border-radius: 0 var(--radius-md) var(--radius-md) 0 !important;
}

/* ===== Forms ===== */
.form-control {
  background: rgba(255,255,255,0.5) !important;
  border: 1px solid var(--glass-border) !important;
  border-radius: var(--radius-sm) !important;
  padding: 12px 16px !important;
  font-size: 15px !important;
  transition: var(--transition) !important;
  color: var(--text-primary) !important;
}

.form-control:focus {
  background: white !important;
  border-color: var(--blue) !important;
  box-shadow: 0 0 0 4px rgba(0,122,255,0.15) !important;
}

.form-control::placeholder {
  color: var(--text-tertiary) !important;
}

.form-label {
  font-weight: 600 !important;
  font-size: 14px !important;
  color: var(--text-primary) !important;
  margin-bottom: 8px !important;
}

.form-group {
  margin-bottom: 20px !important;
}

/* ===== Status Badges ===== */
.badge {
  border-radius: 100px !important;
  padding: 4px 12px !important;
  font-weight: 600 !important;
  font-size: 12px !important;
}

.badge-success { background: rgba(52,199,89,0.15) !important; color: var(--green) !important; }
.badge-danger { background: rgba(255,59,48,0.15) !important; color: var(--red) !important; }
.badge-warning { background: rgba(255,149,0,0.15) !important; color: var(--orange) !important; }
.badge-info { background: rgba(90,200,250,0.15) !important; color: var(--blue-light) !important; }
.badge-primary { background: rgba(0,122,255,0.15) !important; color: var(--blue) !important; }
.badge-secondary { background: rgba(134,134,139,0.15) !important; color: var(--text-secondary) !important; }

/* ===== Pagination ===== */
.pagination .page-link {
  border: none !important;
  border-radius: var(--radius-sm) !important;
  color: var(--text-secondary) !important;
  font-weight: 500 !important;
  margin: 0 4px !important;
  transition: var(--transition) !important;
  padding: 8px 16px !important;
}

.pagination .page-item.active .page-link {
  background: var(--blue) !important;
  color: white !important;
  box-shadow: 0 2px 8px rgba(0,122,255,0.3) !important;
}

.pagination .page-link:hover {
  background: rgba(0,122,255,0.08) !important;
  color: var(--blue) !important;
}

/* ===== Modals ===== */
.modal-content {
  background: var(--glass-bg) !important;
  backdrop-filter: var(--blur-lg) !important;
  -webkit-backdrop-filter: var(--blur-lg) !important;
  border: 1px solid var(--glass-border) !important;
  border-radius: var(--radius-xl) !important;
  box-shadow: var(--shadow-lg) !important;
}

.modal-header {
  border-bottom: 1px solid var(--glass-border) !important;
  padding: 24px 32px !important;
}

.modal-body {
  padding: 24px 32px !important;
}

.modal-footer {
  border-top: 1px solid var(--glass-border) !important;
  padding: 16px 32px !important;
}

.modal-title {
  font-size: 20px !important;
  font-weight: 700 !important;
}

/* ===== Alerts/Toasts ===== */
.toast {
  background: var(--glass-bg) !important;
  backdrop-filter: var(--blur-lg) !important;
  border: 1px solid var(--glass-border) !important;
  border-radius: var(--radius-md) !important;
  box-shadow: var(--shadow-lg) !important;
  padding: 16px 20px !important;
}

.toast-success { border-left: 4px solid var(--green) !important; }
.toast-error { border-left: 4px solid var(--red) !important; }
.toast-warning { border-left: 4px solid var(--orange) !important; }
.toast-info { border-left: 4px solid var(--blue) !important; }

/* ===== Progress Bars ===== */
.progress {
  background: rgba(0,0,0,0.05) !important;
  border-radius: 100px !important;
  height: 8px !important;
  overflow: hidden !important;
}

.progress-bar {
  background: linear-gradient(90deg, var(--blue), var(--blue-light)) !important;
  border-radius: 100px !important;
  transition: width 0.6s cubic-bezier(0.4, 0, 0.2, 1) !important;
}

/* ===== Login Page ===== */
.auth-full-bg {
  background: linear-gradient(135deg, #f5f5f7 0%, #e8e8ed 100%) !important;
  position: relative;
  overflow: hidden;
}

.auth-full-bg::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 600px 500px at 20% 30%, rgba(0,122,255,0.08) 0%, transparent 60%),
    radial-gradient(ellipse 500px 400px at 80% 70%, rgba(90,200,250,0.06) 0%, transparent 60%);
}

.auth-form-box {
  background: var(--glass-bg) !important;
  backdrop-filter: var(--blur-lg) !important;
  border: 1px solid var(--glass-border) !important;
  border-radius: var(--radius-xl) !important;
  box-shadow: var(--shadow-lg) !important;
  padding: 48px !important;
  position: relative;
  z-index: 1;
}

.auth-form-box h4 {
  font-size: 32px !important;
  font-weight: 700 !important;
  margin-bottom: 8px !important;
}

.auth-form-box p {
  color: var(--text-secondary) !important;
  margin-bottom: 32px !important;
  font-size: 15px !important;
}

/* ===== Animations ===== */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes scaleIn {
  from { opacity: 0; transform: scale(0.95); }
  to { opacity: 1; transform: scale(1); }
}

@keyframes slideInLeft {
  from { opacity: 0; transform: translateX(-20px); }
  to { opacity: 1; transform: translateX(0); }
}

.card { animation: fadeUp 0.5s ease-out; }
.table tbody tr { animation: fadeIn 0.3s ease-out; }
.vertical-menu { animation: slideInLeft 0.4s ease-out; }

/* ===== Scrollbar ===== */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb {
  background: rgba(0,0,0,0.15);
  border-radius: 100px;
}
::-webkit-scrollbar-thumb:hover { background: rgba(0,0,0,0.25); }

/* ===== Responsive ===== */
@media (max-width: 992px) {
  .vertical-menu {
    width: 240px !important;
    backdrop-filter: var(--blur-lg) !important;
    box-shadow: 8px 0 40px rgba(0,0,0,0.15) !important;
  }
  
  .main-content {
    margin-left: 0 !important;
  }
  
  .page-content { padding: 20px !important; }
  
  .card-body { padding: 20px !important; }
  
  .navbar-header { padding: 12px 20px !important; }
}

/* ===== Dark Mode Support ===== */
@media (prefers-color-scheme: dark) {
  :root {
    --glass-bg: rgba(30,30,30,0.65);
    --glass-border: rgba(255,255,255,0.08);
    --text-primary: #f5f5f7;
    --text-secondary: #a1a1a6;
    --bg: #000000;
    --card-bg: rgba(30,30,30,0.5);
  }
  
  body { background: var(--bg); }
  
  .form-control {
    background: rgba(255,255,255,0.08) !important;
    color: var(--text-primary) !important;
  }
  
  .navbar-brand-box img { filter: brightness(2) !important; }
}